C is the answer primarily because of the “be of good moral statute”.
The "<span>D. Roosevelt Corollary"</span> demanded that Latin American countries keep their financial affairs on order or risk intervention by the United States, since it was an addition to the Monroe Doctrine.
The Marshall Plan which was officially titled the European Recovery Program was the American program that sought to help rebuild Europe following WWII and the large amount of destruction which occurred during this War. The Marshall Plan gave approximately 20 billion dollars to European nations (17 Billion USD) which in today's dollars is about 160 billion dollars.